#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
using ll=long long;
using Graph=vector<vector<int>>;
#define MAX 200003
#define MOD 998244353
#define INF 1000000000

int main(){
  int N;
  cin>>N;
  vector<vector<int>> a(N,vector<int>(N,-1));
  for(int k=0;k<N;k++){
    a[k][k]=k;
    for(int i=1;i<N;i++){
      a[(k+i)%N][(k+N-i)%N]=k;
    }
  }

  for(int i=0;i<N;i++){
    for(int j=0;j<N;j++){
      cout<<a[i][j]+1<<" ";
    }
    cout<<endl;
  }
}